On Thu, Aug 12, 2010 at 07:30:55PM -0400, Marcelino Mata wrote:
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> 
> I have the case where a laptop user with 150GB of data could be on one
> of two locations which are connected by router.  Our network guys do not
> want a full backup to run for the user when he's on the opposite end of
> router to the backuppc computer.  The ping latency between the locations
> is very short (typically under .5ms) so I can't use ping (PingMaxMsec)
> as method to avoid this.
> 
> Is there another way I could configure backuppc so it only backs up the
> computer when it's on specific subnet?
> 
> The subnet are as follows:
> 
> Backuppc computer : 10.2.X.X
> Opposite location : 10.3.x.x
> 
> The simplest solution is to restrict backup computers to the backuppc
> subnet.
> 
> Maybe create firewall rule on backuppc to block traffic from 10.3.x.x?
> 
> Running backuppc 3.1.0-9ubuntu1 under Ubuntu 10.04.
> 
Maybe you can solve it with DNS.  Have your DNS server assign a
different hostname depending on what subnet the laptop is on (I assume
you have separate zone files for the two subnets).  Then tell BackupPC
to back up only the hostname that belongs to the 10.2.x.x subnet.

-Rob

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